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Multiple choice

If $abc=p$ and $A=\begin{bmatrix} a & b & c \ c & a & b \ b & c & a \end{bmatrix}$ such that $AA'+I,$ then $a,b,c$ are the roots of the equation

  1. $x^3+p=0$
  2. $x^3\pm x^2+p=0$
  3. $x^3\pm 3x^2+p=0$
  4. $x^3\pm 2x^2+p=0$
Reveal answer Fill a bubble to check yourself
B Correct answer

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  • Algebra (3715 questions)
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